Russian Prime Minister Dmitry Medvedev and his Finnish counterpart Juha Sipila shake hands during their joint news conference after their meeting in Oulu

Russian Prime Minister Dmitry Medvedev (L) and his Finnish counterpart Juha Sipila shake hands during their joint news conference after their meeting in Oulu, Finland, December 9, 2016. Lehtikuva/Antti Aimo-Koivisto via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS. FINLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN FINLAND